Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
197 CEDAR LN
Teaneck, NJ 07666
Libby L. Frenkel is a nurse practitioner in Teaneck, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Libby L. Frenkel is listed at 197 Cedar Ln, Teaneck, NJ 07666. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (201) 975-2400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Libby L. Frenkel's National Provider Identifier is 1821890641. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Libby L. Frenkel attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
Libby L. Frenkel has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Libby L. Frenkel. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.